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Finding the Fourth Proportional to 573,700.20, 791,707.07 and 319,051.39

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Solution

The fourth proportional to 573,700.20, 791,707.07 and 319,051.39 is: 440,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,700.20 : 791,707.07 = 319,051.39 : x
  2. Step 2: Convert to fraction form
    573,700.20/791,707.07 = 319,051.39/x
  3. Step 3: Cross multiply
    573,700.20x = 791,707.07 × 319,051.39
  4. Step 4: Simplify right side
    573,700.20x = 252,595,241,156.33
  5. Step 5: Solve for x
    x = 252,595,241,156.33/573,700.20
  6. Step 6: Final answer
    x = 440,291.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.